All checksums have been double-checked against existing RMD160 and
SHA512 hashes
Unfetchable distfiles (fetched conditionally?):
./security/cyrus-sasl/distinfo cyrus-sasl-dedad73e5e7a75d01a5f3d5a6702ab8ccd2ff40d.patch.v2
mdigest reads the files from the argument list and computes a message
digest hash for the file content.
If the argument list is empty mdigest reads from standard in.